question_subject:
question_exam:
stats:
keywords:
The correct answer is option 3, Tamil Nadu. The state of Tamil Nadu in India has made rainwater harvesting compulsory for all houses. Rainwater harvesting is the process of collecting and storing rainwater for various uses such as drinking, irrigation, and groundwater recharge. This initiative by the Tamil Nadu government aims to increase water conservation and address the water scarcity issues faced by the state. By making rainwater harvesting mandatory, the government ensures that every household takes responsibility for collecting and utilizing rainwater, reducing the reliance on groundwater and improving water sustainability. This move highlights the importance of conserving natural resources and promoting sustainable practices in water management.